Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1989-03-17
1991-08-20
Ansher, Bernard
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
D16136, D16219
Patent
active
D03192466
REFERENCES:
patent: D106062 (1937-09-01), Riddell
patent: D189383 (1960-11-01), Macomber
patent: D298761 (1988-11-01), Yoshida et al.
patent: 2330663 (1943-09-01), Bennett et al.
patent: 3067664 (1962-12-01), Winslow
patent: 4720167 (1988-01-01), Okura
Japan Camera Trade News, May 1985 vol. 36, No. 5, p. 16 (Ricoh AF-5 Converter).
Ansher Bernard
Aronovich Adir
Canon Kabushiki Kaisha
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